Subject:
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Re: Excavator Pics
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 21 Feb 2002 15:22:45 GMT
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Viewed:
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4154 times
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"William Howard" <william@howard-family.fsworld.co.uk> wrote in message n
>
> When I compared my final gear train with yours it turned
> out to be identical - and I'd only used the initial idea of the diff in • the
> turntable! Perhaps there is only one way to build this drive train!?
Given the space constraints I certainly couldn't find any other way, and it
took me long enough to work out that one. For a long time in fact I had my
doubts it was possible - the undercarriage took a very long time to solve.
> I do know however that the 'bobcat' bucket arm doesn't work as described • on
> your web site. I now have a load more 1x5, 1x6 and 1x7 liftarms so I may
> redo it sometime to get the geometry right.
I noticed the problem, but had wondered if you had done it differently
deliberately. You've used a single 1x10 beam for the lower part of the boom
linkage; it should be a 1x8 beam with a 1x2 beam with two holes attached
onto the end with two 1x4 plates - unless you have this the geometry will be
way off. There are some pictures here where you can just about see it:
http://www.telepresence.strath.ac.uk/jen/lego/ls160_lrg/ls160_boom_pic2.htm
http://www.telepresence.strath.ac.uk/jen/lego/ls160_lrg/ls160_conclusion_pic
3.htm
Jennifer
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Message has 2 Replies:
 | | RE: Excavator Pics
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| (...) The bit I had real trouble with was working out how to turn the turntable! Mind you, I've spent an awful long time fiddling around with gear trains for cat-tracks as I built a chassis that only needed one motor for forward/turn by using one of (...) (23 years ago, 21-Feb-02, to lugnet.technic)
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Message is in Reply To:
| | RE: Excavator Pics
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| (...) I think it actually took longer to ldraw the excavator than to build it - but I had fun in the process so who cares. I also had to dismantle most of it in the process so I effectively built it twice. The excavator started with the boom, then (...) (23 years ago, 20-Feb-02, to lugnet.technic)
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